This is a collection of essays published by the Geological Society of America on its 75th anniversary, whose theme was 'the philosophy of geology.' The essays cover a wide range of the fabric of geologic thought, including tributes to James Hutton and G.K. Gilbert and their contributions to the foundational philosophy of geoscience, essays that address the nature of geologic laws, the role of classification and parsimony in geoscience, and the nature of uncertainty in geoscience.

The related website link points to a full-text version of the resource.